Marlon Ronald Devonish, is an English former sprinter who competed in the 100 metres and 200 metres. A prodigious relay runner with particular strength as a 'bend' runner, Devonish ran the third leg for the Great Britain quartet which won the 4 x 100 metres at the 2004 Olympic Games, and won four World Championship medals in the same event in 1999, 2005, 2007 and 2009.
The 4 × 100 metres relay or sprint relay is an athletics track event run in lanes over one lap of the track with four runners completing 100 metres each. The first runners must begin in the same stagger as for the individual 400 m race. Each runner carries a relay baton. Before 2018, the baton had to be passed within a 20 m changeover box, preceded by a 10-metre acceleration zone. With a rule change effective November 1, 2017, that zone was modified to include the acceleration zone as part of the passing zone, making the entire zone 30 metres in length. The outgoing runner cannot touch the baton until it has entered the zone, and the incoming runner cannot touch it after it has left the zone. The zone is usually marked in yellow, frequently using lines, triangles or chevrons. While the rule book specifies the exact positioning of the marks, the colours and style are only "recommended". While most legacy tracks will still have the older markings, the rule change still uses existing marks. Not all governing body jurisdictions have adopted the rule change.
Nicola Clare Sanders is a former British track and field sprinter. She began her career as a 400 metres hurdles specialist before concentrating on the 400 metres from 2006 onwards. Her 400 metres personal best is 49.65 seconds. She holds the British indoor record with 50.02 seconds, which ranks her as the fifth fastest woman of all-time indoors.
Christine Ijeoma Ohuruogu, MBE is a British former track and field athlete who specialised in the 400 metres, the event for which she is an Olympic, World and Commonwealth champion. The Olympic champion in 2008, and silver medalist in 2012, she is a double World Champion, having won the 400 m at the 2007 and 2013 World Championships. She has also won six World championship medals in the women's 4 × 400 m relay as part of the Great Britain and Northern Ireland team and bronze Olympic medals with the women's 4 × 400 m relay at the 2008 Beijing Games and the 2016 Rio Games, her final Olympics. Ohuruogu shares with Merlene Ottey and Usain Bolt the record for medalling in most successive global championships – 9 – between the 2005 World Championships in Athletics and the 2016 Summer Olympics.
Kezie Uchechukwu Duru Akabusi, MBE, known as Kriss Akabusi, is a British broadcaster & former sprint and hurdling track and field athlete.
Robert "Rob" John Tobin is an English sprinter. He currently has a PB in the 400 m of 45.01 seconds.
Martyn Joseph Rooney is an English sprinter who specialises in the 400 metres event. He reached the 400 m final at the 2008 Summer Olympics and won bronze in the 4×400 metres relay. A mainstay on the anchor leg of the Great Britain and England 4 x 400 metre relay teams, at the 2009 World Championships in Athletics he won a silver medal with the Great Britain relay team, and bronze in the 2015 and 2017 World Championships.
Athletics at the 2008 Summer Olympics were held during the last ten days of the games, from August 15 to August 24, 2008, at the Beijing National Stadium. The Olympic sport of athletics is split into four distinct sets of events: track and field events, road running events, and racewalking events.
Mark Ashton Richardson is an English former athlete who competed mainly in the 400 metres and 4 x 400 metres relay for Great Britain and England. He won the gold medal in the 4 x 400 metres relay at the 1997 World Championships, and again in the same event at the 1998 European Championshipss. At the Olympic Games, he won relay silver and bronze medals in 1992 and 1996. In the individual event, Richardson's most significant international results were silver at the 1998 Commonwealth Games and bronze in the 1998 European Championships, in addition to three domestic championships gold medals between 1995 and 2002.
Élodie Ouédraogo is a retired Belgian sprinter of Burkinabé descent, who specializes in the 200 metres and 400 m hurdles. An Olympic gold medalist, her personal best time in the 200 m is 23.11 seconds, achieved in July 2004 in Brussels, while her personal best in the 400 m hurdles is 55.20, achieved at the 2012 Summer Olympics. Ouédraogo is also the joint third-fastest Belgian woman after Kim Gevaert and Olivia Borlée and equalling Nancy Callaerts with her best 100 metres time of 11.40. Her 200 metres best ranks her fourth amongst Belgian women after Gevaert, Borlée and Hanna Mariën. Her 400 m hurdles best places her as the second-fastest Belgian woman over the distance, after Ann Mercken.
Richard Thomas Buck is a former British sprinter who specialised in the 400 metres event. He is from York, and trains in Loughborough. Buck's current club is City of York A.C.. Previously, he had an 18-month spell at Scarborough A.C. He has been trained by his grandfather, Geoff Barraclough, and is now coached by Nick Dakin.
The Bahamas sent a delegation of athletes to compete in the 2008 Summer Olympics, which were held in Beijing, People's Republic of China from 8 to 24 August 2008. Its Beijing appearance marked its fourteenth time at the Olympics since its début at the 1952 Summer Olympics in Helsinki. The delegation included 25 athletes across four sports and nineteen distinct events. Its athletes advanced to semifinals in eight events and finals in five events, medaling in two of them. The Bahamian delegation was one of the largest sent between its début and 2008. The country's flag bearer was Debbie Ferguson-McKenzie.
Jamaica sent a delegation to compete at the 2008 Summer Olympics, held in Beijing, China from August 8 to August 24, 2008. This was, by far, Jamaica's best showing at the Summer Olympics; it was the nation's largest delegation yet, and its athletes nearly doubled its total gold medal count in addition to breaking the nation's record for number of medals earned in a single games. Jamaica's appearance at Beijing was its fifteenth consecutive appearance and appearance as an independent nation, although it had previously participated in four other games as a British colony and as part of the West Indies Federation. In the 29 events that included Jamaican athletes, there were 26 cases in which a Jamaican athlete or relay progressed to a final round. Usain Bolt won three of Jamaica's six gold medals at Beijing, breaking an Olympic and world record in all three of the events in which he participated. Shelly-Ann Fraser led an unprecedented Jamaican sweep of the medals in the Women's 100 m. Female sprinter Veronica Campbell-Brown carried Jamaica's flag at the ceremonies.
The men's 4 × 400 metres relay event at the 2008 Summer Olympics took place on 22 and 23 August at the Beijing National Stadium.
Victoria "Vicki" Barr is a track and field athlete who competes in the 400 metres sprint. Her personal best for the event is 52.40 seconds. She is a frequent member of the British 4×400 m relay team and won a bronze medal at the European Athletics Championships in 2010. She was a silver medallist in the relay for England at the 2010 Commonwealth Games.
Trinidad and Tobago sent a delegation to compete at the 2008 Summer Olympics in Beijing, China. Its participation in the Beijing games marked its eighteenth Olympic appearance and fifteenth Summer Olympic appearance since its debut at the 1948 Summer Olympics in London, excluding its joint participation with Jamaica and Barbados in 1960 as the West Indies Federation. With 28 athletes, more Trinidadians had competed at the Olympics than in any other single Olympic Games in its history before Beijing. Athletes representing Trinidad and Tobago advanced past the preliminary or qualification rounds in twelve events and reached the final rounds in four of those events. Of those four events, silver medals were won in the men's 100 meters and in the men's 4x100 meters relay. The latter was upgraded to gold due to one member of the quartet that crossed the line first, Nesta Carter, testing positive for a banned substance, resulting in their disqualification. The nation's flag bearer at the opening ceremony that year was swimmer and Athens medalist George Bovell.
Michael Mathieu is a retired Bahamian sprinter from Freeport, Grand Bahama who specialized in the 200 metres and 400 metres. He was part of the Bahamian silver medal-winning team in the men's 4×400 metres relay at the 2008 Beijing Olympics, running second leg and recording a 44.0 split, and the gold medal-winning team at the 2012 Summer Olympics. He was also a part of second place relay team at the 2007 World Championships. He won the bronze medal in the 4x400 metres relay in the 2016 Summer Olympics.
Anyika Onuora is a British retired sprint track and field athlete who competed in the 100 metres, 200 metres and 400 metres, and also the 4×100 metres relay and 4x400 metres relay.
The women's 4 × 400 metres relay competition at the 2012 Summer Olympics in London, United Kingdom was held at the Olympic Stadium on 10–11 August.
James George Guy is an English competitive swimmer who specialises in freestyle and butterfly. Guy has won multiple gold medals at each of the major international meets available to him, including for Great Britain at the Olympic Games (2), the World (5) and European Championships (7), and England in the Commonwealth Games (2).
Great Britain 
